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Deterministic polishing propels precision optics fabrication into the 21st century

16.01.2015 - Photonik LP/2015

Bildquelle: Edmund Optics

While in the past a knowledgeable and skilled expert was essential for high precision optical manufacturing, today modern polishing machines and software offer distinct a...
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This technical articel is also under the category: Manufacturing of Optics

MEMS mirrors in biomedical applications

16.01.2015 - Photonik LP/2015

Bildquelle: Mirrorcle Technologies

Many applications require high-precision optical beam-steering. One solution to achieve this are gimbal-less optical MEMS actuators capable of moving mirrors in two axe...
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Optische Gitterbauelemente - Herstellung und Anwendung

28.10.2014 - Photonik 6/2014

Bildquelle: ZEISS

Die optische Spektroskopie ist eine gängige Untersuchungsmethode u.a. in der Farbmessung, der chemischen Analyse oder der Schichtdickenmessung. Für den Wellenlängenbereic...
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This technical articel is also under the category: Optical Metrology

Improving laser optics coatings

15.11.2013 - Photonik international /2013

More process control and flexibility are key for coatings used with ultra-fast laser optics. In the following, we discuss the most relevant considerations in the manufact...
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This technical articel is also under the category: Coatings

Multiwavelength interferometry measures topology of aspherical optics

15.11.2013 - Photonik international /2013

“You can only make as well as you can measure,” is the maxim the British engineer Sir Joseph Whitworth formulated by the middle of the 19th Century. Thus, toda...
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This technical articel is also under the category: Optical Metrology

System integration and benefits of beam shaping elements

15.11.2013 - Photonik international /2013

While well-tried optical setups are adaptable, more often many users resist optimising or expanding such optical paths with additional beam shaping optics. However, the i...
[ read more ] | [ deutsche Version lesen ] 

This technical articel is also under the category: Laser Technology

Highly precise polymer microoptics for optical sensor applications

15.11.2013 - Photonik international /2013

This article describes the economic advantages of injection moulding for production of polymer microoptics. We will discuss the requirements, the technical capabilities a...
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This technical articel is also under the category: Manufacturing of Optics

Electrically tunable polymer lenses for fast and compact focusing solutions

15.11.2013 - Photonik international /2013

For applications using lenses with a tunable focal length, optical system designs can be realised with more compact and less mechanical components. Here, we introduce foc...
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This technical articel is also under the category: Image Capturing and Processing

Chiral photonic metamaterials – polarization control by nanostructuring

13.11.2012 - Photonik international /2012

Artificial photonic metamaterials consist mainly of exotically shaped metallic nanostructures. By tailored design of their geometrical parameters, they can enhance optica...
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This technical articel is also under the category: Manufacturing of Optics

Prototyping illumination systems with stock optical components

13.11.2012 - Photonik international /2012

In most imaging system designs, development efforts focus on the imaging optics. But illumination can be an equally important factor in the success of such systems. The p...
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This technical articel is also under the category: Incoherent Light Sources

Femtosecond laser micromachining for plastic lab-on-a-chip

13.11.2012 - Photonik international /2012

Rapid prototyping of lab-on-chip devices is accomplished using femtosecond laser micromachining techniques. Direct laser ablation allows fabrication of microfluidic chann...
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This technical articel is also under the category: Manufacturing of Optics

Optical freeform surfaces: an overview

13.11.2012 - Photonik international /2012

Optical freeform surfaces have great potential for optical systems, particularly in the area of miniaturizing sub-assemblies. Unlike aspherical lens elements, however, op...
[ read more ] | [ deutsche Version lesen ] 

This technical articel is also under the category: Manufacturing of Optics

Replicating diffractive optical elements in synthetic quartz glass using the sol-gel-process

13.11.2012 - Photonik international /2012

When manufacturing macroscopic monolithic quartz glass products using an established sol-gel-process, the question arises about the minimum size surface structures that c...
[ read more ] | [ deutsche Version lesen ] 

This technical articel is also under the category: Manufacturing of Optics

Don't be afraid of ghosts!

01.08.2012 - Laser+Photonik 04/2012

High precision, automatic and reliable: How automatic goniometers with intelligent measured data analysis and a sophisticated hardware setup are overcoming the traditiona...
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This technical articel is also under the category: Optical Metrology

Spherical aberration compensation plates

17.11.2011 - Photonik international /2011

Imaging optics strive to obtain perfect or near diffraction limited performance. The main detriment to imaging systems is spherical aberration, and it costs money and eff...
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This technical articel is also under the category: Manufacturing of Optics

Highly stable mixed coating layers for optical applications

23.11.2010 - Photonik international /2010

With improved variants of ion beam sputtering and spectral broadband monitoring, particularly stable optical layer systems for high-performance and short-pulse lasers can...
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This technical articel is also under the category: Coatings

Are miniaturised high-precision optics reaching the limits of classical machining?

23.11.2010 - Photonik international /2010

Today’s optical lenses are produced either through conventional surface machining, or through various replication procedures. Below we compare these manufacturing methods...
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This technical articel is also under the category: Manufacturing of Optics

LED heat management

23.11.2010 - Photonik international /2010

LEDs are more efficient than light bulbs, transforming roughly 30% of supplied electric power into light, yet 70% of this energy is cast off as heat. This lost heat needs...
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This technical articel is also under the category: Incoherent Light Sources

Beam manipulation: prisms vs. mirrors

12.11.2009 - Photonik international 2/2009

Designers of beam manipulation and imaging systems often encounter the need to fold their optical layout into a more compact form, or to redirect light to the next compon...
[ read more ] | [ deutsche Version lesen ] 

Large-area applications of optical MEMS: micromirror arrays guide daylight, optimize indoor illumination

12.11.2009 - Photonik international 2/2009

Future indoor light distribution of living and office spaces will improve significantly when large-area micromirror arrays are used in conventional double-glazed windows....
[ read more ] | [ deutsche Version lesen ] 

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